服务器发生内部错误

出错了 500

错误类型:ArgumentOutOfRangeException 错误信息:startIndex must be less than length of string. Parameter name: startIndex StackTrace: at System.String.Remove(Int32 startIndex) at ccmvc.pagebase..ctor(HttpContext _httpContext, Uri url) in E:\永朔科技2018\恒达兴官网\恒达兴官网代码\cchvccore\PageBase.cs:line 142 at cchvc.Startup.b__1_0(HttpContext httpContext) in E:\永朔科技2018\恒达兴官网\恒达兴官网代码\cchvc\Startup.cs:line 106